chore: build config

build.config.ts

@@ -0,0 +1,26 @@
+import { unlink } from 'node:fs/promises';
+import { resolve } from 'node:path';
+import { defineBuildConfig } from 'unbuild';
+
+export default defineBuildConfig({
+  clean: true,
+  declaration: true,
+  entries: ['./src/index'],
+  hooks: {
+    'build:done': async (ctx) => {
+      const outDir = ctx.options.outDir;
+      const emptyBuildEntries = ctx.buildEntries.filter(
+        (entry) => entry.exports?.length === 0,
+      );
+      await Promise.all(
+        emptyBuildEntries.map((entry) => {
+          return unlink(resolve(outDir, entry.path));
+        }),
+      );
+    },
+  },
+  rollup: {
+    emitCJS: true,
+    inlineDependencies: true,
+  },
+});